POTASSIUM REGIME OF IRRIGATED CHERNOZEMS IN VARIOUS AGROTECHNICAL BACKGROUNDS

POTASSIUM REGIME OF IRRIGATED CHERNOZEMS IN VARIOUS AGROTECHNICAL BACKGROUNDS

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The changes under the influence of laguna 3hp dust collector irrigation and fertilization systems of the fractional potassium composition of the soils in the Southern Ukraine, Chernozem ordinary and Chernozem southern are considered.The amount of groups of potentially available potassium in the layer 0-30 cm are growing up under the influence of irrigation on 40,3% and 57,5% compared with bogarne conditions in the Chernozem ordinary.The rate of fertilizer read more (manure 200 t/ha + N200P200K60) is made under the basic treatment of the first rotation crop in the aftereffect for 11th year provides a positive balance of exchange potassium in the Chernozem ordinary even if the original content is reduced by 2,1 times more.